Here’s a look at what we know about the "Khorasan group," whose existence was not publicly acknowledged until last week.
Sources say there is no "imminent" threat against any specific flight or target.
At a press conference on Tuesday evening, Charlottesville police said they charging Matthew with abduction with the intent to defile.
A few users have found that the iPhone 6 and 6 Plus are a bit more flexible than they expected. They're bending... permanently.
Disaster struck when the pee wee football team unsuccessfully raced toward the vinyl banner as cheerleaders looked on.
Dramatic video from onboard the USS Philipine Sea in the Arabian Gulf & USS Arleigh Burke in the Red Sea. Footage courtesy DOD.
The NYPD's Bill Bratton says the threat from ISIS, Khorasan and others means the U.S. is in its riskiest period since 9/11 -- and the risk is rising.
The prime minister says he has "no doubt" ISIS is plotting attacks in Europe and elsewhere.
The wife of British aid worker Alan Henning released a statement on Tuesday, following new video put out by the ISIS terror group.
The Pentagon briefed reporters on details of the American-led airstrikes against ISIS and al Qaeda targets inside Syria.
Two new projections about the Ebola epidemic make dire predictions but also offer some hope.
The remains of a dinosaur that stalked Earth 75 million years ago and may have attracted mates with a beaut of a nose have been discovered in Utah.
The University of Michigan's Paul N. Edwards untangles some misinformation around our warming planet and the repercussions.
It's all about location, location, location.
President Barack Obama will speak publicly for the first time since U.S. airstrikes hit ISIS targets in Syria.
The U.S. airstrikes in Syria are illegal because the U.N. didn't authorize them and Syria's president didn't grant permission for them, Rouhani said.
The Pentagon is expected to brief reporters on details of the American-led airstrikes against ISIS and al Qaeda targets inside Syria.
A network of "seasoned al Qaeda veterans" plotting to attack U.S. interests was targeted by airstrikes overnight in Syria also aimed at ISIS.
The six-minute video is the second installment in a series that ISIS has likened to lecture videos.